package com.sky.controller.admin;

import com.sky.constant.MessageConstant;
import com.sky.result.Result;
import com.sky.utils.AliOssUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.UUID;

@RestController
@Slf4j
@Api(tags = "通用接口")
@RequestMapping("/admin/common/")
public class CommonController {

    //注入AliOssUtil实例
    @Autowired
    private AliOssUtil aliOssUtil;

    /**
     * 上传图片到oss
     * @param file
     * @return
     */
    @ApiOperation(value = "文件上传")
    @PostMapping("/upload")
    public Result<String> upload(MultipartFile file){   //注意参数名与请求参数保持一致
        log.info("开始上传图片到oss：{}",file);

        //获取原始文件名
        String originalFilename = file.getOriginalFilename();

        //获取文件后缀
        originalFilename.substring(originalFilename.lastIndexOf("."));

        //拼接新的文件名，防止重名在oss中覆盖图片(UUID + 原始文件名)
        String fileName = UUID.randomUUID().toString() + originalFilename;

        //调用AliOSSUtils上传图片
        try {
            String filePath = aliOssUtil.upload(file.getBytes(), fileName);
            return Result.success(filePath);
        } catch (IOException e) {
            log.error("文件上传失败: {}",e);
        }
        return Result.error(MessageConstant.UPLOAD_FAILED);
    }
}
